Lac Long is a Lake located in Brébeuf; Les Laurentides, Quebec and has an elevation of 310 meters.

• Latitude: 46° 7' 13'' North   (decimal: 46.1203228)
• Longitude: 74° 42' 20'' West   (decimal: -74.7054583)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 310 meters
• Location: Brébeuf; Les Laurentides
• Atlas of Canada Locator Map: Lac Long
• GPS Coordinate Locator Map: Lac Long Lat/Long